+ 'sort_fields' => [
+ 'setup', #broken in $unearned case i guess
+ ( $unearned ? ('', '') : () ),
+ ( $use_usage eq 'recurring' ? 'recur - usage' :
+ $use_usage eq 'usage' ? 'usage'
+ : 'recur'
+ ),
+ ( $unearned ? ('sdate', 'edate') : () ),
+ 'invnum',
+ '_date',
+ ],